Thunderbird on macOS and Linux

At some point after I got my new screen, I gave up on the native Mail app on my Mac. With the new resolution the text became too small to read and I got fed up that something as basic as zoom wasn’t available on one of Mac’s classic apps1. Even 40-something-year-old Emacs has a built-in zoom function. Thunderbird on macOS sounds out of place, especially with so many other options. I picked it up because it’s one of the clear options on Linux (my desktop), and I know it to be a free and well-maintained app2. I didn’t expect that I’d like it, and it still has its quirks — but you know what? It kind of works. It does a clean job syncing my personal calendar too, which I appreciate. I don’t know that I will always use it, but for now my eyes are thanking me. At the same time, I’ve switched from Vivaldi Mail (it does what it’s supposed to, but it’s too minimal, and I never got used to the UI) to Thunderbird on my Linux as well. I don’t know that I’ll stick with it. The tabs are weird and…